This part is a kind of semiconductor called YG805C10.

Function of this product has Dual Schottky Rectifier.

Manufacturers : Galaxy

Image and pinout :

Some of the text within the PDF file :

BL FEATURES GALAXY ELECTRICAL YG805C10 VOLTAGE RANGE: 100 V CURRENT: 20 A DUAL SCHOTTKY RECTIFIER High surge capacity. For use in low voltage, high frequency inverters, free 111 wheeling, and polarity protection applications. Metal silicon junction, majority carrier conduction. High current capacity, low forward voltage drop. Guard ring for over voltage protection. TO-220AB MECHANICAL DATA Case:JEDEC TO-220AB ,molded plastic body Terminals:Lead solderable per MIL-STD-750, 1 11 Method 2026 Polarity: As marked Weight: 0.08 ounce, 2.24 grams Position: Any mm MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 ambient temperature unless otherwise specified. YG805C10 Maximum recurrent peak reverse voltage Maximum w orking peak reverse voltage Maximum DC blocking voltage Maximum [ ... ]

YG805C10 PDF Datasheet Download